WO2002026646A3 - Process for drying porous glass preforms - Google Patents
Process for drying porous glass preforms Download PDFInfo
- Publication number
- WO2002026646A3 WO2002026646A3 PCT/US2001/042408 US0142408W WO0226646A3 WO 2002026646 A3 WO2002026646 A3 WO 2002026646A3 US 0142408 W US0142408 W US 0142408W WO 0226646 A3 WO0226646 A3 WO 0226646A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- halide
- drying
- reducing agent
- furnace
- porous glass
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/14—Other methods of shaping glass by gas- or vapour- phase reaction processes
- C03B19/1453—Thermal after-treatment of the shaped article, e.g. dehydrating, consolidating, sintering
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002217765A AU2002217765A1 (en) | 2000-09-27 | 2001-09-27 | Process for drying porous glass preforms |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67179000A | 2000-09-27 | 2000-09-27 | |
US09/671,790 | 2000-09-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002026646A2 WO2002026646A2 (en) | 2002-04-04 |
WO2002026646A3 true WO2002026646A3 (en) | 2002-10-31 |
Family
ID=24695892
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/020673 WO2002026645A1 (en) | 2000-09-27 | 2001-06-26 | Process for drying porous glass preforms |
PCT/US2001/042408 WO2002026646A2 (en) | 2000-09-27 | 2001-09-27 | Process for drying porous glass preforms |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/020673 WO2002026645A1 (en) | 2000-09-27 | 2001-06-26 | Process for drying porous glass preforms |
Country Status (6)
Country | Link |
---|---|
US (1) | US20020108404A1 (en) |
EP (1) | EP1337483A1 (en) |
JP (1) | JP2004509829A (en) |
KR (1) | KR20030040498A (en) |
AU (2) | AU2001277851A1 (en) |
WO (2) | WO2002026645A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1284738C (en) * | 2000-12-22 | 2006-11-15 | 康宁股份有限公司 | Treating soot preforms with a reducing agent |
DE10218864C1 (en) * | 2002-04-26 | 2003-10-23 | Heraeus Tenevo Ag | Production of a cylindrical quartz glass body comprises pretreating a soot body in a protective gas and/or under vacuum in a vitrifying oven after dehydration and before vitrification |
FR2880012B1 (en) * | 2004-12-23 | 2007-02-02 | Commissariat Energie Atomique | PROCESS FOR THE HYDROGEN PRODUCTION THERMOCHIMICALLY BASED ON HYDROCHLORINATION OF CERIUM |
CN103068754B (en) * | 2010-08-12 | 2016-05-25 | 康宁股份有限公司 | The processing of silica-based soot or the goods made by silica-based soot |
JP5625037B2 (en) * | 2012-03-23 | 2014-11-12 | 株式会社フジクラ | Manufacturing method of glass base material |
EP2712848B1 (en) | 2012-09-27 | 2017-11-29 | Heraeus Quarzglas GmbH & Co. KG | Hydrogen-assisted fluorination of soot bodies |
EP2835360A1 (en) | 2013-08-06 | 2015-02-11 | Heraeus Quarzglas GmbH & Co. KG | Process for making silica soot body in presence of carbon monoxide |
CN106007352B (en) * | 2016-05-13 | 2019-06-18 | 中国科学院上海光学精密机械研究所 | Low-loss Yb3+Adulterate the preparation method of prefabricated quartz fiber rod plug |
JP2018016533A (en) * | 2016-07-29 | 2018-02-01 | 信越化学工業株式会社 | Production method of glass preform for optical fiber |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57183331A (en) * | 1981-05-06 | 1982-11-11 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of transparent glass preform |
EP0140651A1 (en) * | 1983-10-19 | 1985-05-08 | Sumitomo Electric Industries Limited | Method for production of glass preform for optical fibers |
EP0161680A2 (en) * | 1984-05-15 | 1985-11-21 | Sumitomo Electric Industries Limited | Method for producing glass preform for optical fiber |
JPS61183142A (en) * | 1985-02-09 | 1986-08-15 | Fujikura Ltd | Production of glass capillary |
JPS63225543A (en) * | 1987-03-13 | 1988-09-20 | Furukawa Electric Co Ltd:The | Production of base material for optical fiber |
JPH01145346A (en) * | 1987-12-02 | 1989-06-07 | Sumitomo Electric Ind Ltd | Production of optical fiber preform |
JPH01164740A (en) * | 1987-12-22 | 1989-06-28 | Sumitomo Electric Ind Ltd | Production of optical fiber preform |
JPH01230442A (en) * | 1988-03-09 | 1989-09-13 | Furukawa Electric Co Ltd:The | Method for treating porous preform for optical fiber |
JPH01275442A (en) * | 1988-04-27 | 1989-11-06 | Furukawa Electric Co Ltd:The | Production of optical fiber preform |
JPH0350130A (en) * | 1989-07-19 | 1991-03-04 | Furukawa Electric Co Ltd:The | Production of quartz-based doped glass |
JPH0450130A (en) * | 1990-06-20 | 1992-02-19 | Sumitomo Electric Ind Ltd | Production of preform for optical fiber |
JPH0477327A (en) * | 1990-07-17 | 1992-03-11 | Sumitomo Electric Ind Ltd | Production of optical fiber |
JPH04139029A (en) * | 1990-09-27 | 1992-05-13 | Sumitomo Electric Ind Ltd | Production of glass containing rare earth element |
JPH0532429A (en) * | 1991-07-30 | 1993-02-09 | Furukawa Electric Co Ltd:The | Purification of porous parent material for optical fiber |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5157747A (en) * | 1991-01-18 | 1992-10-20 | At&T Bell Laboratories | Photorefractive optical fiber |
US5356447A (en) * | 1993-03-11 | 1994-10-18 | At&T Bell Laboratories | Manufacture of high proof-test optical fiber using sol-gel |
-
2001
- 2001-06-26 EP EP01955792A patent/EP1337483A1/en not_active Withdrawn
- 2001-06-26 JP JP2002530434A patent/JP2004509829A/en not_active Withdrawn
- 2001-06-26 KR KR10-2003-7004391A patent/KR20030040498A/en not_active Application Discontinuation
- 2001-06-26 WO PCT/US2001/020673 patent/WO2002026645A1/en not_active Application Discontinuation
- 2001-06-26 AU AU2001277851A patent/AU2001277851A1/en not_active Abandoned
- 2001-09-27 AU AU2002217765A patent/AU2002217765A1/en not_active Abandoned
- 2001-09-27 WO PCT/US2001/042408 patent/WO2002026646A2/en active Application Filing
- 2001-09-27 US US09/967,621 patent/US20020108404A1/en not_active Abandoned
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57183331A (en) * | 1981-05-06 | 1982-11-11 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of transparent glass preform |
EP0140651A1 (en) * | 1983-10-19 | 1985-05-08 | Sumitomo Electric Industries Limited | Method for production of glass preform for optical fibers |
EP0161680A2 (en) * | 1984-05-15 | 1985-11-21 | Sumitomo Electric Industries Limited | Method for producing glass preform for optical fiber |
JPS61183142A (en) * | 1985-02-09 | 1986-08-15 | Fujikura Ltd | Production of glass capillary |
JPS63225543A (en) * | 1987-03-13 | 1988-09-20 | Furukawa Electric Co Ltd:The | Production of base material for optical fiber |
JPH01145346A (en) * | 1987-12-02 | 1989-06-07 | Sumitomo Electric Ind Ltd | Production of optical fiber preform |
JPH01164740A (en) * | 1987-12-22 | 1989-06-28 | Sumitomo Electric Ind Ltd | Production of optical fiber preform |
JPH01230442A (en) * | 1988-03-09 | 1989-09-13 | Furukawa Electric Co Ltd:The | Method for treating porous preform for optical fiber |
JPH01275442A (en) * | 1988-04-27 | 1989-11-06 | Furukawa Electric Co Ltd:The | Production of optical fiber preform |
JPH0350130A (en) * | 1989-07-19 | 1991-03-04 | Furukawa Electric Co Ltd:The | Production of quartz-based doped glass |
JPH0450130A (en) * | 1990-06-20 | 1992-02-19 | Sumitomo Electric Ind Ltd | Production of preform for optical fiber |
JPH0477327A (en) * | 1990-07-17 | 1992-03-11 | Sumitomo Electric Ind Ltd | Production of optical fiber |
JPH04139029A (en) * | 1990-09-27 | 1992-05-13 | Sumitomo Electric Ind Ltd | Production of glass containing rare earth element |
JPH0532429A (en) * | 1991-07-30 | 1993-02-09 | Furukawa Electric Co Ltd:The | Purification of porous parent material for optical fiber |
Non-Patent Citations (12)
Title |
---|
DATABASE WPI Section Ch Week 51, Derwent World Patents Index; Class L01, AN 82-10097J, XP002187426 * |
PATENT ABSTRACTS OF JAPAN vol. 013, no. 402 (C - 633) 6 September 1989 (1989-09-06) * |
PATENT ABSTRACTS OF JAPAN vol. 11, no. 3 ( - 5) 7 January 1987 (1987-01-07) * |
PATENT ABSTRACTS OF JAPAN vol. 13, no. 21 18 January 1989 (1989-01-18) * |
PATENT ABSTRACTS OF JAPAN vol. 13, no. 427 22 September 1989 (1989-09-22) * |
PATENT ABSTRACTS OF JAPAN vol. 13, no. 556 11 December 1989 (1989-12-11) * |
PATENT ABSTRACTS OF JAPAN vol. 14, no. 43 26 January 1990 (1990-01-26) * |
PATENT ABSTRACTS OF JAPAN vol. 15, no. 193 17 May 1991 (1991-05-17) * |
PATENT ABSTRACTS OF JAPAN vol. 16, no. 238 2 June 1992 (1992-06-02) * |
PATENT ABSTRACTS OF JAPAN vol. 16, no. 289 26 June 1992 (1992-06-26) * |
PATENT ABSTRACTS OF JAPAN vol. 16, no. 411 31 August 1992 (1992-08-31) * |
PATENT ABSTRACTS OF JAPAN vol. 17, no. 321 18 June 1993 (1993-06-18) * |
Also Published As
Publication number | Publication date |
---|---|
WO2002026646A2 (en) | 2002-04-04 |
AU2002217765A1 (en) | 2002-04-08 |
WO2002026645A1 (en) | 2002-04-04 |
EP1337483A1 (en) | 2003-08-27 |
KR20030040498A (en) | 2003-05-22 |
US20020108404A1 (en) | 2002-08-15 |
JP2004509829A (en) | 2004-04-02 |
AU2001277851A1 (en) | 2002-04-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2461051A1 (en) | Oxy-fuel combustion system, method, and uses therefor | |
EA200600596A1 (en) | RECEIVING SILICATE OR GLASS IN A FURNACE WITH BURNERS SHIPPED IN A RESTORING MEDIUM | |
PT1497014E (en) | METHOD OF DYNITRIFICATION | |
ATE453445T1 (en) | METHOD FOR PURIFYING NOX IN EXHAUST GASES USING SODIUM CHLORITE | |
WO2002026646A3 (en) | Process for drying porous glass preforms | |
JP2006223987A (en) | Reforming treatment method for incineration ash and incineration ash reforming mechanical stoker type incinerator | |
GB9212581D0 (en) | Glass melting furnace and method of operating the same | |
CA2230600A1 (en) | Reduction of nox emissions in a glass melting furnace | |
WO2002081788A3 (en) | Method for h2 recycling in semiconductor processing system | |
AU2003218987A1 (en) | Method for the production of nitric acid | |
HRP980160B1 (en) | Method and device for converting hydrogen sulfide | |
CA2131675A1 (en) | Method for processing niter-containing glassmaking materials | |
TW200517349A (en) | Method for blending and recirculating deuterium-containing gas | |
PL352097A1 (en) | Method of thermal treatment of fine-grained material and apparatus for thermal treatment of fine-grained material | |
EP1409129A4 (en) | Magnegas, a novel, highly efficient, nonpollutant, oxygen rich and cost competitive combustible gas and associated method | |
SE0003335L (en) | Process for reducing NOx compounds in the flue gases of an atmosphere | |
UA27017C2 (en) | Method for direct reduction of material, which contains ferric oxides and device for realization the same (VARIANTS) | |
WO1995035392A3 (en) | Method for reducing particulate iron ore to molten iron with hydrogen | |
DE59809541D1 (en) | Temperable building wall and process for its production | |
JPS55114333A (en) | Method for decreasing nitrogen oxide in waste gas | |
WO2008052951A3 (en) | Sand, shale and other silicon dioxide solid compounds as starting substances for providing silicon solid compounds, and corresponding processes for operating power stations | |
Buttol et al. | DEVELOPMENT OF A NEW SILICA REFRACTORY FOR OXYGEN COMBUSTION FURNACES | |
DK0779082T3 (en) | Process for treating solid residues containing metals, especially residues from waste gas purification from waste incineration | |
Belyj | Scientific research laboratory for purification of foundry gaseous discharges | |
GEU1997181Y (en) | Method for carrying Metallothermal Process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PH PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
AK | Designated states |
Kind code of ref document: A3 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PH PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: JP |